CVE-2021-21443 Unautorized listing of the customer user emails
Agents can view customer email addresses without proper permissions in the bulk action screen, exposing sensitive user data.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2021-21443?
CVE-2021-21443 is a low-severity missing authorization vulnerability in Otrs Otrs, published on 26 Jul 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Agents are able to list customer user emails without required permissions in the bulk action screen. This issue affects: OTRS AG ((OTRS)) Community Edition: 6.0.x version 6.0.1 and later versions. OTRS AG OTRS: 7.0.x versions prior to 7.0.27.
Weakness: CWE-200
Which versions are affected by CVE-2021-21443?
It affects 1 product.
Products include Otrs Otrs.
How do I fix CVE-2021-21443?
Upgrade to a fixed version.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-21443 being exploited?
There is no known exploitation of CVE-2021-21443 in the wild and no public exploit code.
Other vulnerabilities in Otrs Otrs
Sources
Also known as DEBIAN-CVE-2021-21443, GHSA-8cr8-7h2h-c8f7, UBUNTU-CVE-2021-21443.